The ABB 9T21B1013G02 1A 5Kva Single Phase Transformer is designed for reliable performance in various environments, thanks to its NEMA 3R nonventilated weatherproof enclosure. This transformer features an encapsulated copper core and coils, ensuring durability and efficiency. It includes a convenient wiring compartment with a ground stud, providing easy access for installation. The transformer is equipped with knockouts on the back and bottom, as well as mounting holes on the side, facilitating straightforward setup. With improved termination spacing, it offers flexibility in choosing UL listed connectors for both copper and aluminum cables. The QMS transformer is RoHS compliant and meets UL and cUL standards, as well as the seismic requirements of IEEE-693-2005, IBC-2021, and CBC 2022, making it a robust choice for various applications.